In Exercise 12.16 you probably solved for t instead of z. Why was that necessary? Exercise 12.16

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In Exercise 12.16 you probably solved for t instead of z. Why was that necessary?

Exercise 12.16

For the IQ data on females in data set Add.dat on the website, test the null hypothesis that

μfemale = 100. You can use SPSS or R, or any other program you have.

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